00001 /* 00002 * 00003 * Licensed to the Apache Software Foundation (ASF) under one 00004 * or more contributor license agreements. See the NOTICE file 00005 * distributed with this work for additional information 00006 * regarding copyright ownership. The ASF licenses this file 00007 * to you under the Apache License, Version 2.0 (the 00008 * "License"); you may not use this file except in compliance 00009 * with the License. You may obtain a copy of the License at 00010 * 00011 * http://www.apache.org/licenses/LICENSE-2.0 00012 * 00013 * Unless required by applicable law or agreed to in writing, 00014 * software distributed under the License is distributed on an 00015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 00016 * KIND, either express or implied. See the License for the 00017 * specific language governing permissions and limitations 00018 * under the License. 00019 * 00020 */ 00021 #ifndef _AggregateOutput_ 00022 #define _AggregateOutput_ 00023 00024 #include <vector> 00025 #include "Mutex.h" 00026 #include "OutputControl.h" 00027 #include "OutputTask.h" 00028 00029 namespace qpid { 00030 namespace sys { 00031 00032 class AggregateOutput : public OutputTask, public OutputControl 00033 { 00034 typedef std::vector<OutputTask*> TaskList; 00035 00036 TaskList tasks; 00037 size_t next; 00038 OutputControl& control; 00039 00040 public: 00041 AggregateOutput(OutputControl& c) : next(0), control(c) {}; 00042 //this may be called on any thread 00043 void activateOutput(); 00044 //all the following will be called on the same thread 00045 bool doOutput(); 00046 void addOutputTask(OutputTask* t); 00047 void removeOutputTask(OutputTask* t); 00048 }; 00049 00050 } 00051 } 00052 00053 00054 #endif